Reply.io (Jason AI) documentation

What it does

A multichannel sales engagement platform whose AI layer ("Jason AI," per widely reported branding) generates outreach emails/follow-ups and automates sequencing across email, calls, and tasks.

Access and connection

MCP support: official

Access requirements: paid (API is listed across all four published tiers starting at Starter from $59/mo, and the pricing FAQ says the 14-day trial includes API and all integrations)

Authentication: Personal API key (vendor-recommended, sent as a Bearer token, scoped to the permissions the key allows) or OAuth (used by the Claude connector; grants all available tools).

Research checked: 2026-09-07

These details come from the catalog research. Check the vendor sources below for current setup instructions. They do not establish that a connection or tool call was tested.